Chapter 6 - Section 6.3 - Factoring Trinomials of the Form ax2+bx+c - Exercise Set - Page 435: 34

$(6a-1)(7a-6)$

$42a^2-43a+6$ Factors of 6: 1 and 6, 2 and 3, -1 and -6, -2 and -3 Factors of 42: 1 and 42, 2 and 21, 3 and 14, 6 and 7, -1 and -42, -2 and -21, -3 and -14, -6 and -7 $(6a-1)(7a-6)$ $6a*7x+6a*-6+7a*-1+(-1)(-6)$ $42a^2-36a-7a+6$ $42a^2-43a+6$